> I have not found the root cause yet.
> As the 1.21.4-1 imports correctly I removed the 1.22.0-1 until I solve
> the issue.
>
> I do not see anything obvious in upstream source between 1.21.4 and
> 1.22.0 that gives me any hint on root cause.
>
> Also 1.22.1 shows the same problem.
> I excluded the build chain as rebuilding 1.19.4 worked fine
> for all 3.6 to 3.9
If I understand correctly,
the patch below is just a quick hack, but it solves the problem.
```
--- a/numpy/random/setup.py
+++ b/numpy/random/setup.py
@@ -147,7 +147,8 @@
include_dirs=['.', 'src', 'src/legacy'],
libraries=mtrand_libs,
extra_compile_args=EXTRA_COMPILE_ARGS,
- extra_link_args=EXTRA_LINK_ARGS,
+ extra_link_args=(EXTRA_LINK_ARGS +
+ ['-Wl,--export-all-symbols']),
depends=depends + ['mtrand.pyx'],
define_macros=defs + LEGACY_DEFS,
)
```
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